https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64659
Oleg Endo <olegendo at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2015-01-18 Ever confirmed|0 |1 --- Comment #1 from Oleg Endo <olegendo at gcc dot gnu.org> --- The predicates must include "const_int" in match_code, otherwise the generated predicate code will check the operand mode and will reject const_int since they don't have a mode. The following fixes the issue: Index: gcc/config/sh/predicates.md =================================================================== --- gcc/config/sh/predicates.md (revision 219823) +++ gcc/config/sh/predicates.md (working copy) @@ -1139,18 +1139,20 @@ ;; values. Using these predicates avoids the usage of 'force_reg' in the ;; expanders. (define_predicate "atomic_arith_operand" - (ior (match_code "subreg,reg") - (and (match_test "satisfies_constraint_I08 (op)") - (match_test "mode != QImode") - (match_test "mode != HImode") - (match_test "TARGET_SH4A")))) + (and (match_code "subreg,reg,const_int") + (ior (match_operand 0 "arith_reg_operand") + (and (match_test "satisfies_constraint_I08 (op)") + (match_test "mode != QImode") + (match_test "mode != HImode") + (match_test "TARGET_SH4A"))))) (define_predicate "atomic_logical_operand" - (ior (match_code "subreg,reg") - (and (match_test "satisfies_constraint_K08 (op)") - (match_test "mode != QImode") - (match_test "mode != HImode") - (match_test "TARGET_SH4A")))) + (and (match_code "subreg,reg,const_int") + (ior (match_operand 0 "arith_reg_operand") + (and (match_test "satisfies_constraint_K08 (op)") + (match_test "mode != QImode") + (match_test "mode != HImode") + (match_test "TARGET_SH4A"))))) ;; A predicate describing the T bit register in any form. (define_predicate "t_reg_operand"